osmith has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-msc/+/33591 )
Change subject: csd_bs_list_to_gsm0808_channel_type: add T 300 ......................................................................
csd_bs_list_to_gsm0808_channel_type: add T 300
There is no GSM0808_DATA_RATE_TRANSP_300 (not in libosmocore and not in 3GPP TS 48.008 § 3.2.11 on which the enum is based). As I understand it, we need to use GSM0808_DATA_RATE_TRANSP_600 and half rate TCH.
Use GSM0808_DATA_FULL_BM instead of GSM0808_SPEECH_FULL_BM. The value is 0x8 for both, but this is the correct name.
Related: OS#4394 Change-Id: I7297cc481fbe36355b5231ca800cf566a1ee93c0 --- M src/libmsc/csd_bs.c 1 file changed, 27 insertions(+), 4 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/91/33591/1
diff --git a/src/libmsc/csd_bs.c b/src/libmsc/csd_bs.c index 2322f20..9a7dce1 100644 --- a/src/libmsc/csd_bs.c +++ b/src/libmsc/csd_bs.c @@ -180,16 +180,23 @@ return csd_bs_to_str_c(OTC_SELECT, bs); }
-static int csd_bs_to_gsm0808_data_rate_transp(enum csd_bs bs) +static int csd_bs_to_gsm0808_data_rate_transp(enum csd_bs bs, uint8_t *ch_rate_type) { switch (bs_map[bs].rate) { + case 300: + *ch_rate_type = GSM0808_DATA_HALF_LM; + return GSM0808_DATA_RATE_TRANSP_600; case 1200: + *ch_rate_type = GSM0808_DATA_FULL_BM; return GSM0808_DATA_RATE_TRANSP_1k2; case 2400: + *ch_rate_type = GSM0808_DATA_FULL_BM; return GSM0808_DATA_RATE_TRANSP_2k4; case 4800: + *ch_rate_type = GSM0808_DATA_FULL_BM; return GSM0808_DATA_RATE_TRANSP_4k8; case 9600: + *ch_rate_type = GSM0808_DATA_FULL_BM; return GSM0808_DATA_RATE_TRANSP_9k6; } return -EINVAL; @@ -375,9 +382,10 @@
if (csd_bs_is_transp(list->bs[0])) { ct->data_transparent = true; - rc = csd_bs_to_gsm0808_data_rate_transp(list->bs[0]); + rc = csd_bs_to_gsm0808_data_rate_transp(list->bs[0], &ct->ch_rate_type); } else { rc = csd_bs_to_gsm0808_data_rate_non_transp(list->bs[0]); + ct->ch_rate_type = GSM0808_DATA_FULL_BM; }
if (rc < 0) @@ -404,8 +412,6 @@ ct->data_rate_allowed_is_set = true; }
- ct->ch_rate_type = GSM0808_SPEECH_FULL_BM; - return 0; }